... -ANT1), DC9V±1V (S2T-DC09-ANT1), DC24V±1V (S2T-DC24-ANT1)Working Voltage Range of Relay: AC110~240V or DC0~28VPCB Size ... ; B, C = Normally Open.1) Press button 1: Turn on relay 1 (connect B and C, disconnect A and B)2 ... , connect A and B)3) Press button 2: Turn on relay 2 (connect B and C, disconnect A and B)4 ... ) Press button 2 again: Turn off relay 2 (disconnect B and C, connect A and B)Package ...